OPTIMIZATION OF A LINEAR BRUSHLESS DC MOTOR DRIVE
The paper describes the design of a drive consisting of a voltage supplied brushless motor and a lead-screw transformation system. In order to reduce the cost and the weight of this drive an optimization of the main dimensions of each component considered as an interacting part of the whole system is conducted. An analysis is developed to define the interactions between the elements in order to justify the methodology.Aspecific application in then presented and comparisons are made between different solutions depending on different cost functions (max power, weight, cost, …). With this procedure, the optimization is no longer limited to the fitting between separated elements but is extended to the system whose parameters are issued from the primitive design parameters of the components.
KeywordsRotor Inertia Rotor Length Motor Design Transformation Ratio Static Torque
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